PSTN GSM Wireless Telephone

Main Functions: 2-1 Base Unit ? Supporting GSM-900MHz&GSM-1800MHz digital mobile communication network ? SMS function. ? 32 pre-dialing numbers. ? Rejecting the incoming call function. ? Adjusting the volume of handset and handfree. ? Supporting redialing, HF, and dialing back functions. ? Supporting inter-communication between handset and handfree of base unit. ? One base unit can be with four handsets at most. ? Connecting external power adapter with rechargeable battery. ? Displaying date, time, week, battery status, and signal strength on the LCD. ? Displaying the numbers and current talk time of received calls and dialed calls on the LCD. ? Making local calls, mobile phones, domestic calls and international calls. ? Many kinds of chords and no sound for you to choose and chords volume can be adjusted. ? Storing, searching and deleting 16 groups of missed calls, received calls and dialed calls. 2-2 Handset ? Locking keypad. ? Adjusting the contrast light of LCD. ? Supporting HF, redial and dial back function. ? Conferences function among base unit, handset and incoming call. ? 10 groups of dialed calls records for you to search, delete and dial back. ? 10 groups of incoming calls records for you to search, delete and dial back. ? Many kinds of melody ring for selection and you can adjust the volume or close the ring tone. ? Displaying date, time, week, signal strength, and battery status on the LCD. ? Handset to handset, handset to base unit can communicate with each other and call transference with complete dual-work mode. ? Multi-voice channels that when you will make calls by base unit or handset, others also can make intercom among handsets or base unit. ? You can save 50 groups of phone numbers in phone book. 3. Technology Perameters Environment Temperature: -10??~40?? Relative Humidity: 10%~95% Atmospheric Pressure: 86~106kpa Base Unit: Handset: Working Power: DC5V 1000mA Charge Power: DC5V 600mA Back-up Battery: Rechargeable battery Back-up Battery: Rechargeable battery Standby Time: 24h Talk Time: 3h Annotation: Talk time and standby time is according to the local network.